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Date: 5/25/04

SP6650 High Efficiency 600mA Synchronous Buck Regulator

© Copyright 2004 Sipex Corporation

ABSOLUTE MAXIMUM RATINGS

These are stress ratings only and functional operation

of the device at these ratings or any other above those

indicated in the operation sections of the specifications

below is not implied. Exposure to absolute maximum

rating conditions for extended periods of time may

affect reliability.

PV

All other pins .............................. -0.3V to V

PV

Storage Temperature .................... -65°C to 150°C

Lead Temperature (Soldering 10sec) .......... 300°C

Specifications apply for -40°C to +85°C, V

PARAMETER

MIN.

TYP.

MAX.

UNITS

CONDITIONS

Input Voltage Operating

UVLO

6.5

V

Range

Undervoltage Lockout Threshold

2.6

2.7

2.8

V

Undervoltage Lockout Hysteresis

120

mV

1.23

1.25

1.27

V

0.5

%

0.5

%

0.65

%

3.23

3.30

3.37

V

3.17

3.30

3.43

V

2.7

µs*V

PMOS Switch Resistance

0.4

0.8

Ω

NMOS Switch Resistance

0.3

0.8

Ω

70

150

µA

0.3

500

nA

SHDN = 0V

7

12

µA

0.1

500

nA

SHDN = 0V

Power Efficiency

92

%

95

%

88

%

Minimum Guaranteed Load

600

700

mA

Current

300

350

mA

Inductor Current Limit

0.75

0.95

1.15

A

0.40

0.50

0.60

A

Inductor Current Limit

-100

ppm/°C

ELECTRICAL CHARACTERISTICS